CERN Accelerating science

PH-EP Preprints

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2015-07-15
15:02
Search for weakly decaying $\overline{\Lambda\mathrm{n}}$ and $\Lambda\Lambda $ exotic bound states in central Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV / ALICE Collaboration
We present results of a search for two hypothetical strange dibaryon states, i.e. [...]
arXiv:1506.07499 ; CERN-PH-EP-2015-069.
- 2015. - 19 p.
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2015-07-14
08:36
Observation of $J/\psi p$ resonances consistent with pentaquark states in ${\Lambda_b^0\to J/\psi K^-p}$ decays / LHCb collaboration
Observations of exotic structures in the $J/\psi p$ channel, that we refer to as pentaquark-charmonium states, in $\Lambda_b^0\to J/\psi K^- p$ decays are presented. [...]
arXiv:1507.03414 ; CERN-PH-EP-2015-153 ; LHCB-PAPER-2015-029.
- 2015. - 48 p.
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2015-07-14
08:36
Elliptic flow of muons from heavy-flavour hadron decays at forward rapidity in Pb-Pb collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV / ALICE Collaboration
The elliptic flow, $v_{2}$, of muons from heavy-flavour hadron decays at forward rapidity ($2.5 < y < 4$) is measured in Pb--Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV with the ALICE detector at the LHC. [...]
arXiv:1507.03134 ; CERN-PH-EP-2015-173.
- 2015. - 25 p.
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2015-07-10
16:25
Search for supersymmetry with photons in pp collisions at $\sqrt{s}$ = 8 TeV / CMS Collaboration
Two searches for physics beyond the standard model in events containing photons are presented. [...]
arXiv:1507.02898 ; CMS-SUS-14-004 ; CERN-PH-EP-2015-129.
- 2015. - 38 p.
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2015-07-07
12:36
Determination of the top-quark pole mass using $t \bar{t}+1$-jet events collected with the ATLAS experiment in 7 TeV $pp$ collisions / ATLAS Collaboration
The normalized differential cross section for top-quark pair production in association with at least one jet is studied as a function of the inverse of the invariant mass of the $t \bar{t}+1$-jet system. [...]
arXiv:1507.01769 ; CERN-PH-EP-2015-100.
- 2015. - 23 p.
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2015-07-02
08:14
Production of light nuclei and anti-nuclei in pp and Pb-Pb collisions at LHC energies / ALICE Collaboration
The production of (anti-)deuteron and (anti-)$^{3}$He nuclei in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV has been studied using the ALICE detector at the LHC. [...]
arXiv:1506.08951 ; CERN-PH-EP-2015-025.
- 2015. - 33 p.
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2015-07-02
08:11
$\phi$-meson production at forward rapidity in p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV and in pp collisions at $\sqrt{s}$ = 2.76 TeV / ALICE Collaboration
The first measurement of $\phi$-meson production in p-Pb collisions at a nucleon-nucleon centre-of-mass energy $\sqrt{s_{\rm NN}}$ = 5.02 TeV has been performed with the ALICE apparatus at the LHC. [...]
arXiv:1506.09206 ; CERN-PH-EP-2015-161.
- 2015. - 23 p.
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2015-07-02
08:10
Search for long-lived heavy charged particles using a ring imaging Cherenkov technique at LHCb / LHCb collaboration
A search is performed for heavy long-lived charged particles using 3.0 fb$^{-1}$ of pp collisions collected at $\sqrt{s}$= 7 and 8 TeV with the LHCb detector. [...]
arXiv:1506.09173 ; CERN-PH-EP-2105-139 ; LHCB-PAPER-2015-002.
- 2015. - 24 p.
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2015-07-01
23:01
Search for exotic decays of a Higgs boson into undetectable particles and photons / CMS Collaboration
A search is presented for exotic decays of a Higgs boson into undetectable particles and one or two isolated photons in pp collisions at a center-of-mass energy of 8 TeV. [...]
arXiv:1507.00359 ; CMS-HIG-14-025 ; CERN-PH-EP-2015-131.
- 2015. - 38 p.
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2015-07-01
09:21
Production of leading charged particles and leading charged-particle jets at small transverse momenta in pp collisions at $\sqrt{s}$ = 8 TeV / CMS Collaboration
The per-event yield of the highest transverse momentum charged particle and charged-particle jet, integrated above a given $p_{\mathrm{T}}^{\mathrm{min}}$ threshold starting at $p_{\mathrm{T}}^{\mathrm{min}} = $ 0.8 and 1 GeV, respectively, is studied in PbPb collisions at $\sqrt{s} =$ 8 TeV. [...]
arXiv:1507.00233 ; CMS-FSQ-12-032 ; CMS-FSQ-12-032-003.
- 2015. - 27 p.
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